Chlorella sp.

Phylum: Chlorophyta (Green algae)
Taxon ID: 2017
Author: Beijerinck 1890
Basionymn:

 

Images

Images are not scaled. An individual that looks bigger than its neighbors might actually be smaller. See approximate size via the Observations section below. All images were made to fit within an area of 360px high and 200px wide.

Observations

Author: Colleen Flanagan 2007
Biovolume/cell 17.63
Length: 1-2 µm
Width: 1-2 µm

Description:

Cells are minute and spherical, smaller than C (Cyanophyte). Cells are a grass-green color and lack flagella.

Notes:

Green Lakes: Morphotype I. T > G > I > C

Original Type Description

Author: Beijerinck 1890
Biovolume/cell
Length:
Width:

Original Description:

Secondary Description

Author: Wehr, J. D. and Sheath, R. G., (eds.), 2003

Secondary Description:

Cells are spherical, ovoid, or ellipsoid, solitary or clustered. The chloroplast is cup-shaped or platelike, with or without a pyrenoid. Found in phytoplankton of ponds and lakes, and also on soil or moist subaerial substrata or inhabiting ciliated protozoa.

Index Nominum Algarum (INA)*

*The INA is a bibliographic reference "card file" for algal taxonomy, containing nearly 200,000 names of algae (in the broad sense).

Taxonomy

Wehr, J. D. and Sheath, R. G. (eds.) (2003). Freshwater Algae of North America Boston: Elsevier Science.

Count Data

McKnight, D. M., Brenner, M., Smith, R. L. & Baron, J., (1986). Seasonal changes in phytoplankton populations and related chemical and physical characteristics in lakes in Loch Vale, RMNP, CO U.S. Geological Survey Water-Resources Investigations Report, 86–4101. 64 pp.

McKnight, D. M., Miller, C., Smith, R. L. , Baron, J. A., & Spaulding, S. A. (1988). Phytoplankton population in lakes in Loch Vale, Rocky Mountain National Park, Colorado: Sensitivity to acidic conditions and nitrate enrichment U.S. Geological Survey Water-Resources Investigations Report, 88–4115. 102 pp. | Abstract

Kolesar, S., McKnight, D., & Waters, S. (2002). Late fall phytoplankton dynamics in three lakes, Rocky Mountain National Park Hydrobiologia, Volume 472, 249-263 DOI: 10.1023/A:1016342007124 | Abstract

Flanagan, C.M. (2007). Understanding alpine watersheds in the Colorado Front Range: Phytoplankton community analysis and watershed education Thesis (M.S.)--University of Colorado, 117 p. | Abstract

Bell, T.A. (2009). A shift in diatom composition due to increased weathering and nitrogen deposition Thesis (M.S.)--University of Colorado, 69 p. | Abstract

Lake # samples Basin Region
Dream Lake 6 Nymph/Dream/Emerald Rocky Mountain National Park
Emerald Lake 4 Nymph/Dream/Emerald Rocky Mountain National Park
Green Lake 4 50 Green Lakes Valley Silver Lakes Watershed
Lake Louise 1 N. Fork Big Thompson Rocky Mountain National Park
Nymph Lake 5 Nymph/Dream/Emerald Rocky Mountain National Park
Sky Pond 1 Loch Vale Rocky Mountain National Park
The Loch 1 Loch Vale Rocky Mountain National Park

# of samples         = 68 with this taxon.
# of samples total = 413 with or without this taxon.

Positions in lake

  • shore
  • outlet
  • lake center

Collection Types

Samp
ID
Lake
Name
Coll.
Date
Sample
Depth (m)
Position
in Lake
Region
Name*
Collection
Type
Citation
(counts)
Sample
Notes
51 The Loch 1984-08-29 0.0 lake center RMNP water citation short  
322 Sky Pond 1985-09-04 3.0 lake center RMNP water citation short Notes
330 Lake Louise 1985-09-08 0.0 lake center RMNP water citation short Notes
1 Dream Lake 1991-09-28 0.0 outlet RMNP water citation short  
7 Emerald Lake 1991-09-28 0.0 shore RMNP water citation short  
12 Nymph Lake 1991-09-28 0.0 shore RMNP water citation short  
2 Dream Lake 1991-10-03 0.0 shore RMNP water citation short  
8 Emerald Lake 1991-10-03 0.0 shore RMNP water citation short  
13 Nymph Lake 1991-10-03 0.0 shore RMNP water citation short  
3 Dream Lake 1991-10-08 0.0 shore RMNP water citation short  
9 Emerald Lake 1991-10-08 0.0 shore RMNP water citation short  
14 Nymph Lake 1991-10-08 0.0 shore RMNP water citation short  
4 Dream Lake 1991-10-13 0.0 shore RMNP water citation short  
10 Emerald Lake 1991-10-13 0.0 shore RMNP water citation short  
15 Nymph Lake 1991-10-13 0.0 shore RMNP water citation short  
5 Dream Lake 1991-10-21 0.0 shore RMNP water citation short  
16 Nymph Lake 1991-10-21 0.0 shore RMNP water citation short  
6 Dream Lake 1991-10-29 0.0 shore RMNP water citation short  
357 Green Lake 4 2004-08-03 0.0 lake center SLW water citation short  
360 Green Lake 4 2004-08-12 0.0 lake center SLW water citation short  
363 Green Lake 4 2005-07-12 0.0 lake center SLW water citation short  
364 Green Lake 4 2005-07-12 3.0 lake center SLW water citation short  
365 Green Lake 4 2005-07-12 9.0 lake center SLW water citation short  
366 Green Lake 4 2005-07-19 0.0 lake center SLW water citation short  
367 Green Lake 4 2005-07-19 3.0 lake center SLW water citation short  
368 Green Lake 4 2005-07-19 9.0 lake center SLW water citation short  
373 Green Lake 4 2005-08-02 3.0 lake center SLW water citation short  
374 Green Lake 4 2005-08-02 9.0 lake center SLW water citation short  
376 Green Lake 4 2005-08-10 3.0 lake center SLW water citation short  
378 Green Lake 4 2005-08-16 0.0 lake center SLW water citation short  
379 Green Lake 4 2005-08-16 3.0 lake center SLW water citation short  
380 Green Lake 4 2005-08-16 9.0 lake center SLW water citation short  
381 Green Lake 4 2005-09-13 0.0 lake center SLW water citation short  
382 Green Lake 4 2005-09-13 3.0 lake center SLW water citation short  
383 Green Lake 4 2005-09-13 9.0 lake center SLW water citation short  
384 Green Lake 4 2006-07-06 0.0 lake center SLW water citation short  
385 Green Lake 4 2006-07-06 3.0 lake center SLW water citation short  
386 Green Lake 4 2006-07-06 9.0 lake center SLW water citation short  
387 Green Lake 4 2006-07-13 0.0 lake center SLW water citation short  
388 Green Lake 4 2006-07-13 3.0 lake center SLW water citation short  
389 Green Lake 4 2006-07-13 9.0 lake center SLW water citation short  
390 Green Lake 4 2006-07-20 0.0 lake center SLW water citation short  
391 Green Lake 4 2006-07-27 0.0 lake center SLW water citation short  
392 Green Lake 4 2006-07-27 3.0 lake center SLW water citation short  
393 Green Lake 4 2006-07-27 9.0 lake center SLW water citation short  
394 Green Lake 4 2006-08-10 0.0 lake center SLW water citation short  
395 Green Lake 4 2006-08-10 3.0 lake center SLW water citation short  
396 Green Lake 4 2006-08-10 9.0 lake center SLW water citation short  
397 Green Lake 4 2007-07-05 0.0 lake center SLW water citation short  
398 Green Lake 4 2007-07-05 3.0 lake center SLW water citation short  
399 Green Lake 4 2007-07-05 9.0 lake center SLW water citation short  
400 Green Lake 4 2007-07-12 0.0 lake center SLW water citation short  
401 Green Lake 4 2007-07-12 3.0 lake center SLW water citation short  
402 Green Lake 4 2007-07-12 9.0 lake center SLW water citation short  
403 Green Lake 4 2007-07-19 0.0 lake center SLW water citation short  
404 Green Lake 4 2007-07-19 3.0 lake center SLW water citation short  
405 Green Lake 4 2007-07-19 9.0 lake center SLW water citation short  
406 Green Lake 4 2007-07-26 0.0 lake center SLW water citation short  
407 Green Lake 4 2007-07-26 3.0 lake center SLW water citation short  
408 Green Lake 4 2007-07-26 9.0 lake center SLW water citation short  
409 Green Lake 4 2007-08-02 0.0 lake center SLW water citation short  
410 Green Lake 4 2007-08-02 3.0 lake center SLW water citation short  
411 Green Lake 4 2007-08-02 9.0 lake center SLW water citation short  
412 Green Lake 4 2007-08-09 0.0 lake center SLW water citation short  
413 Green Lake 4 2007-08-09 3.0 lake center SLW water citation short  
414 Green Lake 4 2007-08-09 9.0 lake center SLW water citation short  
415 Green Lake 4 2007-08-16 0.0 lake center SLW water citation short  
416 Green Lake 4 2007-08-16 9.0 lake center SLW water citation short  

Regions

RMNP Rocky Mountain National Park, CO;

SLW Silver Lakes Watershed, CO;